# Blog


> Notes on CDN performance, browser timing, cache behavior, and real-user monitoring.




The CDNPulse blog explains how CDN delivery behaves in real browsers. Posts cover test setup, cache configuration, Resource Timing data, and provider comparisons across Cloudflare, CloudFront, and Fastly.

Use these posts when you need to design a fair CDN test, understand which browser timing fields matter, or avoid measurement mistakes that make one provider look faster than it really is.




## Pages
- [How to Compare Cloudflare, CloudFront, and Fastly with Real-User CDN Data](/blog/how-to-compare-cloudflare-cloudfront-and-fastly-with-real-user-cdn-data/index.md): A guide to comparing Cloudflare, Amazon CloudFront, and Fastly with browser timing data from real users.
- [What is a CDN and Why It Matters?](/blog/what-is-a-cdn-and-why-it-matters/index.md): With the rapid growth of GenAI solutions and the continuous launch of new applications, understanding the fundamental challenges and solutions of the web is becoming increasingly important.
One of the core challenges is delivering content quickly to the end user. This is where a CDN comes into play.